Benchmarking Water Loss Performance: The Death of Unaccounted For Water Presented by: steve.cavanaugh@cavanaughsolutions.com

M36: Water Audits and Loss Control Programs: AWWA Water Loss Control Committee 1991 1999 2009 2016

Conference & Exposition Dec 8-9, 2015 Conference & Exposition www.gawp.org Technical sessions on water auditing, loss control program implementation, addressing Non-Revenue Water through billing, theft, metering, leakage, pressure, and asset management, and regulatory policy development across North America Case studies for growing implementation of established IWA/AWWA best practices and innovations for Water Loss Management Keynote speakers from U.S. EPA and the International Water Association Use special code “LEAK” to get the early-bird registration rate before October 19th

Quiz According to the AWWA, an acceptable level of Unaccounted For Water is: 15% 10% 5% 0% http://www.polleverywhere.com/multiple_choice_polls/64Y2CLql5yc2KRr If you like, you can use this slide as a template for your own voting slides. You might use a slide like this if you feel your audience would benefit from the picture showing a text message on a phone.

IWA/AWWA Water Balance Fire Dept Usage Operational Flushing Tools for control include efficient flushing practices and awareness campaigns IWA/AWWA Water Balance Water Imported Own Sources Total System Input ( allow for known errors ) Water Exported Authorized Consumption Billed Authorized Consumption Revenue Water Billed Water Exported Non-physical / revenue loss - slow meters, billing issues and theft Cost impacts at ‘retail’ rate. Tools for control include data management, quality control policies/practices, & meter testing & repair Billed Metered Consumption Water Supplied Billed Unmetered Consumption Unbilled Authorized Consumption Non- Revenue Water Unbilled Metered Consumption Unbilled Unmetered Consumption Water Losses Apparent Losses Unauthorized Consumption Physical loss - leakage Cost impacts at ‘wholesale’ rate Tools for control include leakage and pressure management Customer Metering Inaccuracies Systematic Data Handling Errors Real Losses Leakage on Mains Leakage on Service Lines Leakage & Overflows at Storage

2003 Inconsistent use and interpretation Unreliable indicator of performance Fails to segregate loss into its components for effective management

Unaccounted For Water Percentage

Water Loss or NRW as % of Supply

Water Loss or NRW as Percentage of Supply Unaccounted For Water Unaccounted For Water Percentage

Quiz According to the AWWA, an acceptable level of Unaccounted For Water is: 15% 10% 5% 0% http://www.polleverywhere.com/multiple_choice_polls/64Y2CLql5yc2KRr If you like, you can use this slide as a template for your own voting slides. You might use a slide like this if you feel your audience would benefit from the picture showing a text message on a phone.

Quiz According to the AWWA, an acceptable level of Unaccounted For Water is: 15% 10% 5% 0%

Simplicity Everything should be made as simple as possible, but no simpler. -Albert Einstein For every complex problem, there is a solution which is simple, neat, and wrong. -H.L. Mencken

3-V MG per Year Gal/connection/day Leakage Index $ per Year Validity Value Volume MG per Year Gal/connection/day Leakage Index $ per Year Economic Loss Index Water Audit Data Validity Score 95% Confidence Limits Key Data Input Grades

Volume Value

Volume Value

Where is Optimum? Value of recoverable NRW (case for action) Areas of focus for NRW recovery (component analysis)

Conference & Exposition Dec 8-9, 2015 Conference & Exposition www.gawp.org Technical sessions on water auditing, loss control program implementation, addressing Non-Revenue Water through billing, theft, metering, leakage, pressure, and asset management, and regulatory policy development across North America Case studies for growing implementation of established IWA/AWWA best practices and innovations for Water Loss Management Keynote speakers from U.S. EPA and the International Water Association

Benchmarking Water Loss Performance: The Death of Unaccounted For Water Presented by: steve.cavanaugh@cavanaughsolutions.com